Home › Opelousas, Louisiana › 2 Top 24 Local Business in Opelousas, Louisiana Find best Opelousas, Louisiana, with all necessary contact information, including addresses, phone numbers, working hours, map locations, and website links. Med Express Ambulance Service - Opelousas US, Opelousas, LA 70570708 S Union St Ambulance Services St Landry EMS US, Opelousas, LA 70570815 W Landry St Ambulance Services 12